This looks like camera clipping, but that's adjusted, so is it something else?
The issue is indeed with the camera clip point, but you are moving the settings for the wrong camera!

You have several cameras in your scene, but only one of them can be the active camera. In your particular scene the active one called "camera".



You are moving the clip setting for camera.001, which is not the active one...

Set the clip settings for the Active Camera and everything will be fine!